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Power transmission line vertically-arranged lead switching-off and grounding connection type and method

A technology of vertical arrangement and transmission lines, applied in the installation of cables, electrical components, overhead installation, etc., can solve the problems of long construction time, increase the time of power outage, disconnection, etc., to ensure safety and fast installation speed. , the effect of short power outage time

Active Publication Date: 2017-07-21
SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The technical problems existing in the disconnection of the above-mentioned transmission lines are: it is necessary to build two terminal towers, which increases the cost of implementation and cannot be disconnected at any position, and the construction time is longer, which increases the time of power outages
[0004] To sum up, in the prior art, there is still no effective solution to the problem of disconnection of transmission lines

Method used

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  • Power transmission line vertically-arranged lead switching-off and grounding connection type and method

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Embodiment Construction

[0026] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0027] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0028] As introduced in the background technology, there are deficiencies in the prior art for disconnection of ...

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Abstract

The invention discloses a power transmission line vertically-arranged lead switching-off and grounding connection type and method. The connection type comprises a pair of switching-off points arranged in an upper lead tension direction, wherein the two switching-off points are connected through employing a tension insulator, grounding wires are led out at the switching-off points through tension wire clamp leading boards, the grounding wires naturally sag under the gravity action, and the grounding wires are perpendicularly connected with an upper lead, a middle lead and a lower lead. Electrical connection in one same lead tension direction is switched off through employing the tension insulator, inter-phase insulation is guaranteed through utilizing the inter-phase insulator to directly form grounding of the line switching-off points, and a safe, reliable and flexible grounding mode is realized. The connection type is advantaged in that switching-off and grounding at any position of the vertically-arranged lead can be directly carried out, flexibility and reliability are realized, establishing a tower is not needed, a mounting speed is fast, the power failure time is short, and cost is substantially saved.

Description

technical field [0001] The invention relates to the electrical technical field of power transmission lines, in particular to a connection type and method for vertically arranged conductors of power transmission lines to be disconnected and guided. Background technique [0002] At present, the disconnection and down-conduction of transmission lines is a commonly used type in the design of power grids, especially for lines in urban areas. At present, the common way of breaking and leading the transmission line is to build two base terminal towers near the breaking point, and the overhead line is broken and led down through the terminal towers. [0003] The technical problems of the above-mentioned transmission line disconnection lead are: two base terminal towers need to be built, which increases the cost of implementation and cannot be disconnected at any position, the construction time is longer, and the power outage time is increased. [0004] To sum up, in the prior art, ...

Claims

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Application Information

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IPC IPC(8): H02G7/00H02G7/02
CPCH02G7/00H02G7/02
Inventor 张思祥姚元玺姜伟国李帅张勇宋磐宋朋盖永志孙明涛魏烈强
Owner SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
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